Don't even consider the TCI and MP offerings, these are high-stall
converters, the last thing you want behind a diesel. (In fact none of theirs
will fit the diesel)
By reputation the DTT is probably the best.

I was looking for the best price/performance value. My main interest is
trouble free operation with highest fuel mileage available. I really
don't know very much about this right now. Just trying to get educated.
I really appreciate all the info from you folks.....

Am I reading this right -- you would use a torque converter the would
*not* lock up in a diesel application? It makes sense to me that a
converter would lock up at cruise speed.
Is this incorrect for a diesel??

It has nothing to do with a diesel... I'm not sure if '92 had a LU or
non-LU TC. Of course a LU converter is better, but if your transmission
wasn't designed for one, you'll have no way of getting it to lock up (or
even fit, for that matter).
And now that I look back.... where in the heck did I get the idea that you
had a '92?? You actually didn't specify a year, but since you said it was a
2500, that should have automatically signalled at least a '94 (hint: it
helps if you're specific about a vehicle - otherwise people start ASSuming
things... some of us laugh at ourselves for being asses, others reach for a
cross and a hammer...). I was an ass... oops :)
At any rate.... yeah, you definately have a lock-up TC. In that case, it's
a different part number, and about another $15.
My point in all this is to call around... don't just go right for "the
best" just because it's "the best" (and I happen to think the best torque
converters are purple in color - but that's just my own brand-bias, and I'd
never recommend a $1400 TC for a stock transmission)... no need to buy a
Diablo when a Charger will fit the bill.

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